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Is C Programming Case Sensitive And C++ Too?

Is C Programming Case Sensitive And C++ Too

C is one of the most powerful programming languages and it’s suitable for a wide variety of uses. You can compile C code with a number of different C++ and C compiler types. The RAD Studio and C++ Builder IDEs are extremely powerful development tools for those who want to develop C and C++ applications of all types. In this post, we will explain the case sensitivity of C and C++.

As C and C++ developers we have many great selections of free and professional C++ IDEs to choose from. Tools like C++ Builder CEDev-C++, and even the BCC32 command line compiler. Although C++ Builder’s primary purpose is to be the best available C++ IDE which helps developers be at their most efficient and effective possible selves it is also quite capable of editing and compiling most C code thanks to C and C++ having a shared lineage. The latest version RAD Studio 11.2 is announced with many new features.

Is C Programming Case Sensitive And C++ Too - the RAD Studio 11.2 splash screen

Is C programming case sensitive?

Yes, C language is case sensitive, some commands may have lowercase, some commands may use uppercase characters, some commands may use initial Capitalized words. This means that AVARIABLENAME is not the same as AVariableName even though they are both valid. So, a developer should be careful about cases when programming. For example, this is a correct simple C example,

if you make mistake when u declare main() by using M instead of m as below,

this will give you an error because here the Main() function has no meaning in default C programs. The C and C++ main function is the main() function not the Main() function. As in this example, every letter is important in C language, including commas, dots, other punctuations, and sometimes spaces too.

Case sensitivity may give you some advantages, for example, you can use the same letters or words on different variables as below,

here the A and a variables are different variables. A is an integer while the a is a floating number. Case sensitivity can be an advantage when using functions, classes, objects, etc.

Is C++ programming case sensitive?

Yes, the C++ language is case sensitive just as the C language is too. Some commands may have lowercase, some commands may use uppercase characters, some commands may use mixed capitalization of words such as camelCase. So, a developer should be careful about cases when programming. For example, this is a valid simple C++ example,

if you make mistake when you type return command by using R instead of r as below,

this will give you an error because the Return function has no meaning in regular C++. The C and C++ return function is the return function not the Return function. As in this example, every letter is important in C++ language as in C language, including commas, dots, other punctuations, and sometimes spaces too.

Is the C and C++ programming language case sensitive in C++ Builder too?

Yes, both C and C++ projects in C++ Builder are case sensitive because of C++ Builder supports and follows the CLANG standards. You can edit and run C and C++ code above using C++ Builder. The C++ Builder system is a modern powerful C++ IDE. It has C and C++ compilers allowing you to carry out any variety of professional quality development.

C++ Builder has a free C++ Builder Community Edition. There is also a paid C++ Builder Professional / Architect / Enterprise version too.

1. Download the free C++ Builder Community Edition and install it.
2. In C++ Builder, create a new console application from the File->New->Console Application – C++ Builder menu . Chose C Language as a Source Type or C++ Language as a Source Type and Target Framework as None from the next window and press OK. ,

Is C Programming Case Sensitive And C++ Too  - the C++ IDE
The RAD Studio, C++ Builder Welcome Screen

How to execute C and C++ programming files in RAD Studio?

If you are new to programming, here is a quick introduction to create a simple C Program. C programs are simple text files, which means you can use any editor to edit these kinds of programs, but a proper C++ IDE has much more features. Here is a post about how to execute a program in C++ Builder,

Although the free C++ Builder Community Edition is extremely powerful it is intended for students, beginners, and startups. If you are a regular business or do not qualify for the free community edition then you can download a free trial of the very latest full RAD Studio C++ Builder version.

How To Execute A Program In C - the C++ Builder logo

C++ Builder is the easiest and fastest C and C++ IDE for building simple or professional applications on the Windows, MacOS, iOS & Android operating systems. It is also easy for beginners to learn with its wide range of samples, tutorials, help files, and LSP support for code. RAD Studio’s C++ Builder version comes with the award-winning VCL framework for high-performance native Windows apps and the powerful FireMonkey (FMX) framework for cross-platform UIs.

There is a free C++ Builder Community Edition for students, beginners, and startups; it can be downloaded from here. For professional developers, there are Professional, Architect, or Enterprise versions of C++ Builder and there is a trial version you can download from here.

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About author

Dr. Yilmaz Yoru has 33+ years of coding with more than 30+ programming languages, mostly C++ on Windows, Android, Mac-OS, iOS, Linux, and some other operating systems. He was born in 1974, Eskisehir-Turkey, started coding in college and graduated from the department of Mechanical Engineering of Eskisehir Osmangazi University in 1997. He worked as a research assistant at the same university for more than 10 years. He received his MSc and PhD degrees from the same department at the same university. Since 2012, he is the founder and CEO of Esenja LLC Company. He has married and he is a father of a son. Some of his interests are Programming, Thermodynamics, Fluid Mechanics, Artificial Intelligence, 2D & 3D Designs, and high-end innovations.
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